AEP vs PNM

American Electric Power Company Inc.

American Electric Power Company, Inc., an electric public utility holding company, engages in the generation, transmission, and distribution of electricity for sale to retail and wholesale customers in the United States. It operates through Vertically Integrated Utilities, Transmission and Distribution Utilities, AEP Transmission Holdco, and Generation & Marketing segments. The company generates electricity using coal and lignite, natural gas, nuclear, and hydroelectric, as well as solar, wind, and other energy sources. It also supplies and markets electric power at wholesale to other electric utility companies, rural electric cooperatives, municipalities, and other market participants. The company owns, leases, or controls approximately 3,016 railcars, 411 barges, 6 towboats, and a coal handling terminal with approximately 18 million tons of annual capacity. American Electric Power Company, Inc. was incorporated in 1906 and is headquartered in Columbus, Ohio.

PNM Resources Inc. (Holding Co.)

PNM Resources, Inc., through its subsidiaries, provides electricity and electric services in the United States. It operates through Public Service Company of New Mexico (PNM) and Texas-New Mexico Power Company (TNMP) segments. The PNM segment engages in the generation, transmission, and distribution of electricity. It generates electricity using coal, natural gas and oil, nuclear fuel, solar, wind, and geothermal energy sources. As of December 31, 2020, this segment had owned or leased facilities with a total net generation capacity of 2,168 megawatts; and owned 3,389 miles of electric transmission lines, 6,077 miles of distribution overhead lines, 5,962 miles of underground distribution lines, and 255 substations. It also owns and leases office and other equipment, office space, vehicles, and real estate. The TNMP segment provides regulated transmission and distribution services. As of December 31, 2020, this segment owned 983 miles of overhead electric transmission lines, 7,282 miles of overhead distribution lines, 1,348 miles of underground distribution lines, and 110 substations. It also owns and leases vehicles, service facilities, and office locations throughout its service territory. The company serves approximately 800,000 homes and businesses in New Mexico and Texas. PNM Resources, Inc. was incorporated in 1917 and is headquartered in Albuquerque, New Mexico.